# CVE-2026-84099

## Summary

- **CVE ID:** CVE-2026-84099
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 12, 2026
- **Last Modified:** Sep 12, 2026

## Description

The wpstorecart WordPress plugin through 5.0.7 does not prevent direct, unauthenticated access to a bundled add-on that deserializes user-supplied input without restricting the permitted classes, allowing unauthenticated attackers to inject arbitrary PHP objects, which may be escalated further when a suitable gadget chain is present on the site.

## Affected Products

- Unknown — wpstorecart (0)

## References

- [CNA](https://wpscan.com/vulnerability/11d36ab2-ac8d-42cf-91c0-dea55d7edc9a/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._